<!DOCTYPE html>
<html lang="en">
<head>
  <style>
    body {
      margin:  0px;
      padding: 0px;
    }
  </style>
  <meta charset="UTF-8">
  <title>Arc</title>
</head>
<body>
  <canvas id="myCanvas" width="578," height="250"></canvas>
  <script type="text/javascript">
    var canvas = document.getElementById('myCanvas');
    var context = canvas.getContext('2d');
    var x = canvas.width / 2;
    var y = canvas.height / 2;
    var radius = 45;
    var startAngle = 0;
    var endAngle = 2.0 * Math.PI;
    var counterClockwise = false;

    context.beginPath();
    context.arc(x, y, radius, startAngle, endAngle, counterClockwise);
    context.lineWidth = 10;
    context.lineCap = 'round';

    // Line color
    context.strokeStyle = '#52A6CB';
    context.stroke();
  </script>
</body>
</html>
